Note that when maximum size measurements are shown as a total number of inches (eg 45) this is the total of the length, width and height of the piece, and you can usually have any reasonable size/shape of bag as long as the total measurements don't exceed this number.
Occipital, bone forming the back and back part of the base of the cranium, the part of the skull that encloses the brain. It has a large oval opening, the foramen magnum, through which the medulla oblongata passes, linking the spinal cord and brain.
The parietal lobe is a part of the brain positioned above (superior to) the occipital lobe and behind (posterior to) the frontal lobe. The parietal lobe integrates sensory information from different modalities, particularly spatial sense and navigation.